... CCA wire is about 1/2 heavy of copper wire.B. Good solderability: CCA wire is clad with a layer of ... coils.5.Existing Applications:a. High-frequency transformers, general transformers;b. Induction coils, magnetic coils;c. Electrical machines, including ... with requirements of light weight, relatively high conductivity, and good heat dissipation, especially the winding for high-frequency signals; ...